Mathematics, 25.11.2019 22:31 hervinlouis014
In a review journal, a group of university researchers investigated the lucky store effect theory in lottery ticket sales, which is the theory that a lottery retail store that sold a large-prize-winning ticket will experience greater ticket sales the following week. the researchers examined the weekly ticket sales of all 24,200 active lottery retailers in a region. the analysis showed that "the week following the sale of [a winning lotto ticket], the winning store experiences a 14 to 39 percent relative sales " consequently, researchers project that future winning lottery retail stores will experience the lucky store effect. is this study an example of descriptive statistics or inferential statistics? explain. choose the correct answer below. a. the study is an example of inferential statistics because it is using sample data to make a prediction. b. the study is an example of inferential statistics because it utilizes numerical methods to explore the sample and summarizes the information revealed, to present the information in convenient form. c. the study is an example of descriptive statistics because it is using sample data to make a prediction. d. the study is an example of descriptive statistics because it utilizes numerical methods to explore the sample and summarizes the information revealed, to present the information in convenient form.
Answers: 3
Mathematics, 21.06.2019 14:30
Is fgh ~ jkl? if so, identify the similarity postulate or theorem that applies.
Answers: 1
Mathematics, 21.06.2019 19:30
The position of a moving particle is given by the position function: f(t)=-9t-t^2-0.2t^3+0.1t^4 0 a. at what time does the particle reverse direction? b. when is the displacement positive? (round one decimal place and answer in interval notation) c. when is the displacement negative? (round one decimal place and answer in interval notation) d. when is the particle’s acceleration positive? (round one decimal place and answer in interval notation) e. when is the particle’s acceleration negative? (round one decimal place and answer in interval notation)
Answers: 3
Mathematics, 21.06.2019 20:20
Consider the following estimates from the early 2010s of shares of income to each group. country poorest 40% next 30% richest 30% bolivia 10 25 65 chile 10 20 70 uruguay 20 30 50 1.) using the 4-point curved line drawing tool, plot the lorenz curve for bolivia. properly label your curve. 2.) using the 4-point curved line drawing tool, plot the lorenz curve for uruguay. properly label your curve.
Answers: 2
Mathematics, 21.06.2019 20:30
In an improper fraction, is the numerator equal to, less than, or greater than the denominator
Answers: 2
In a review journal, a group of university researchers investigated the lucky store effect theory in...
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